DigestGuiCore/gesturequerymodel.h

Go to the documentation of this file.
00001 /*  -*- c++ -*-  (for Emacs)
00002  *
00003  *  gesturequerymodel.h
00004  *  Digest
00005  * 
00006  *  Created by Aidan Lane on Tue Jul 05 2005.
00007  *  Copyright (c) 2005-2006 Optimisation and Constraint Solving Group,
00008  *  Monash University. All rights reserved.
00009  *
00010  *  This program is free software; you can redistribute it and/or modify
00011  *  it under the terms of the GNU General Public License as published by
00012  *  the Free Software Foundation; either version 2 of the License, or
00013  *  (at your option) any later version.
00014  *
00015  *  This program is distributed in the hope that it will be useful,
00016  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
00017  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00018  *  GNU General Public License for more details.
00019  *
00020  *  You should have received a copy of the GNU General Public License
00021  *  along with this program; if not, write to the Free Software
00022  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
00023  */
00024 
00025 #ifndef GESTUREQUERYMODEL_H
00026 #define GESTUREQUERYMODEL_H
00027 
00028 
00029 #include <QSqlQueryModel>
00030 #include "MvcDigestDb/abstractdigestdbview.h"
00031 
00032 #include <QBrush>
00033 #include <QPen>
00034 #include <QPixmap>
00035 #include <QSize>
00036 
00037 class DigestDbModel;
00038 
00039 
00040 class GestureQueryModel : public QSqlQueryModel, public AbstractDigestDbView {
00041 
00042   Q_OBJECT
00043   Q_PROPERTY( QSize thumbnailSize READ thumbnailSize WRITE setThumbnailSize )
00044 
00045 
00046 public:
00047   GestureQueryModel( QObject* parent = 0 );
00048   GestureQueryModel( DigestDbController* controller, QObject* parent = 0 );
00049 
00050   virtual Qt::ItemFlags flags( const QModelIndex& index ) const;
00051   virtual QVariant data( const QModelIndex& index, int role = Qt::DisplayRole ) const;
00052   virtual QStringList mimeTypes() const;
00053   virtual QMimeData* mimeData( const QModelIndexList& indexes ) const;
00054 
00055   QModelIndex findIndexOfGesture( int gestureId );
00056   int rowGestureId( int row ) const;
00057 
00058   const QSize& thumbnailSize() const;
00059 
00060 
00061 signals:
00062   void thumbnailSizeChanged( const QSize& size );
00063 
00064 
00065 public slots:
00066   virtual void setThumbnailSize( const QSize& size );
00067   void setThumbnailSize( int w, int h );
00068 
00069 
00070 protected:
00071   DEFINE_CUSTOM_VIEWEVENT_HANDLER
00072   virtual void resetEvent( VEvent* );
00073   virtual void gesturesEvent( VGesturesEvent* );
00074 
00075   virtual QPixmap fetchThumbnail( int gestureId ) const;
00076   virtual QPixmap generateThumbnail( int gestureId ) const;
00077   virtual QPixmap generateThumbnailTile( const QSize& size ) const;
00078 
00079 
00080 private:
00081   void init();
00082 
00083   QSize   m_thumbnailSize;
00084   QPen    m_strokesPen;
00085   QPen    m_tilePen;
00086   QBrush  m_tileBrush;
00087   float   m_strokeWidth;
00088   int     m_tileMargin;
00089 
00090   // Caches:
00091   mutable QPixmap c_thumbnailTile;
00092 };
00093 
00094 
00095 #endif  // ! GESTUREQUERYMODEL_H

Generated on Mon Jul 30 09:46:50 2007 for Digest by  doxygen 1.5.2